Home / 2,678.76-4,020.06-2,246.12

Finding the Fourth Proportional to 2,678.76, 4,020.06 and 2,246.12

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Solution

The fourth proportional to 2,678.76, 4,020.06 and 2,246.12 is: 3,370.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678.76 : 4,020.06 = 2,246.12 : x
  2. Step 2: Convert to fraction form
    2,678.76/4,020.06 = 2,246.12/x
  3. Step 3: Cross multiply
    2,678.76x = 4,020.06 × 2,246.12
  4. Step 4: Simplify right side
    2,678.76x = 9,029,537.17
  5. Step 5: Solve for x
    x = 9,029,537.17/2,678.76
  6. Step 6: Final answer
    x = 3,370.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.